Deconstruction: A Local Government Model - PowerPoint PPT Presentation

Deconstruction: A Local Government Model. Wayne Fenton Orange County Public Works, Hillsborough, NC.

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Deconstruction differs from recycling in that recycling does not seek to capture building materials in a reusable form (i.e., whole bricks, blocks, clean, unbroken pieces of lumber, etc.)

What is Deconstruction?

A Brief History systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Orange County owns 34 buildings

Buildings range in age from pre-Revolutionary war to modern structures

The Building systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Approximately 3,000 square feet

The Experiment systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

The Process systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Project approved by BOCC

Purchasing Dep’t persuaded

Bid-process tailored

Seasoned local deconstruction specialists hired

Process documented

Removal of unsafe structure systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Capture of valuable materials, especially for use in other similar vintage structures

Demonstrate feasibility of process

Provide skills enhancement opportunities

Document the process:

To develop promotional video

To develop basic “how-to” video

Desired Project Outcomes

Materials Recovered systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

39+ tons of building materials recovered for reuse through deconstruction

Recovered Materials systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Materials Recycled systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

6 tons of metal

1 ton of white goods

140 tons of concrete

Waste Generated systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Less than 100 tons of waste generated by deconstruction required disposal

Primarily rotted wood, mixed composition items, sheetrock, shingles

Benefits of Deconstruction systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Economic systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Cost of deconstruction can be less than cost of demolition

Salvaged materials have a value

Cost avoidance in tipping fees

Preservation of landfill space

Job-skills training

Environmental systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Preservation of landfill space

Resource conservation

Deconstruction a cleaner technology than demolition – less noise, air pollution

Educational systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Governments should lead by example

Act as a catalyst to contractors, facility owners/managers

Be a model for other governments

Demolition Costs systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Estimate: $50,000

Deconstruction Costs

Actual Expenditures: $37,929

Savings

Salvaged Materials Value: $37,130*

Landfill Fees Avoided: $1,600

Cost Benefit Analysis

* Based on local vendor estimate

Structure successfully and safely removed systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.

Some materials have been reused in other projects

Demonstrated feasibility of deconstruction option

Provided temporary workers with enhanced skills – two hired by County, one still employed

Promotional video complete & limited distribution

Measuring Success

The Video systematically disassembling buildings that would otherwise be demolished to generate a supply of materials suitable for reuse in the construction or rehabilitation of other structures.